DC/Marvel: Fenrir

Deep under the continents of Earth, under the crust of the Earth and deep within the mantle...is a coffin. A gigantic metal coffin that gleams in golds, blacks, and reds but even as it's surrounded by super-heated rock, the coffin is still covered in a layer of frost and covered in black chains that look to be made of obsidian. Inside the massive coffin is a relatively small man. He was covered in chains and ribbons and his skin has been carved with old Norse runes that speak of a danger that should never be released. This is Fenrir. The Harbinger of Ragnarök. The God-Devouring Wolf. But what if he was the victim of the story? What if a prophecy ruined his life? And what if he was about to break free again?